Correct option is C
Given:
A dishonest shopkeeper used 940 grams in place of 1000 grams
Challenge profit = 4%
Solution:
Let the cost price of 1 gram = Rs.1
Cost price = Rs. 940
Selling price = 1000 × (100 + 4)% = Rs. 1040
Profit of dishonest shopkeeper = = 10.64%